Purchased the Delta 2 MAX when it was released, and happy that I did. It has been a great device with the ability to power most all of my needs. My only gripe is, when charging the time to full capacity reads incorrectly. I have to unplug the solar panels, shut the unit off, then turn it back on, and then replug them in for it to read accurately.

I am a fan of EcoFlow and their products! I enjoyed my River 2 pro and 220 NextGen Solar Panel so much I ordered the River 2 and 110 watt solar panel strictly for it being so portable and lightweight! This panel is well designed, easy to move around and set up in no time! I love that the case is the kickstand as well as a place for protecting the panel when not in use. It has enough room for the solar to xt60 cables too! The panel produces 91-105 watts regularly! I am so happy with this purchase. I recommend this panel and the EcoFlow brand for sure!

I bought the Delta 2 Max about a month ago, when it was offered along with two free 110 watt portable solar panels. Right out of the box it was super easy to set up, and even on that cloudy day with one 110w panel connected, it was pulling in about 25w. Not much, I know, but it was still exciting! Realized pretty quickly I was going to need more panel capacity, so I ordered a 220w bi-facial. And then of course I would need more storage, so I ordered another battery! As it stands right now, when fully charged, the Max2 and the extra battery can run our main refrigerator, a 12v cooler (Iceco), and my complete computer setup (computer, four monitors, printer and scanner) for about a day and a half with no solar input whatsoever. We've been getting a lot of cloudy, rainy days, so solar input hasn't always been the greatest. On cloudy days with the 220 and two 110s in series, on average I'm pulling in about 150w for a max of 6 hours. On nice sunny days, I can max out at about 380 watts, with an average of about 330 for 6 or 7 hours. This is usually enough to keep all of the above running, but still draining the battery a bit. So...I see some bigger panels in my future - probably two 400W rigid panels. This will double my input capacity, allowing for a total recharge in my short window of sunlight. Note: we actually did lose power here for about 6 hours overnight one night when I only had about 30% capacity left in the batteries, and the refrigerator kept right on going, no problem! Charging with 110 is super-quick - usually 2 hours or so. Just for fun, I hooked up my son's gas-powered generator and charged it off of that unit's 110 - again with no problems. I'm trying to rely totally on solar now, so given the poor weather we're having, and until I can upgrade my input with two 400w rigid panels, I typically have to give it a full day and a half with nothing connected before I can hook up the refrig, cooler and computers again. Then run on batteries for a day and a half. etc. Overall, great product. Bought it with the intention of using in a small squaredrop camper I'm building, and it would of course handle that task with absolutely no problem. Might buy the second spare battery in the future, just to see how many regularly-running appliances I can switch over to solar on an ongoing basis. In the next few years, am planning to build a new off-grid-as-much-as-possible home, and will definitely looking to EcoFlow to power it!

The EcoFlow Delta 2 Max has the perfect capacity, along with the ability to add additional battery storage, for my home needs during emergencies. I want the essentials to be power backed up for my house in these times. With the flexibility to add additional batteries as needed, as well as integrate into the ever growing EcoFlow ecosystem of products, made it a great choice for the needs of my family.

I purchased this combination about a year ago and feel like I need to write a review after using these products. Prior to upgrading to this setup; I ran two Jackery (250w and 1000w) units for my power needs while camping. Switching to the Delta 2 setup minimized the amount of equipment I needed. It also provided plenty of power to run my fridge and charge any other electronics I needed charging. However, this is not the reason that prompted a review. The Delta 2 with the 800w Alternator Charger earned its worth when it got me out of an otherwise expensive situation. I was about an hour away from home running trails when I happen to damage my alternator. Because of this; I was slowly draining my battery and feared I’d have to pay for a costly tow. I had happened to leave my Delta 2 in the truck that weekend and it came in clutch. It was fully charged due to it being hooked up to the Alternator Charger. I was able to reverse the charge and run the truck off the Delta 2 for an hour until I made it home. I charged the Delta 2 every night to be able to drive to work and back until I was able to get the alternator replaced. Needless to say, the Delta + 800w Alternator Charger earned its worth. I highly recommend this setup to the point that I don’t need to run a dual battery setup since I have this to rely on. If you ask me, this combination is worth the money if you spend any time off grid or off the beaten path.

I am an existing first generation EcoFlow River owner, who saw the need to upgrade, to a more substantial home backup system. I compiled an extensive side-by-side comparison, of the full line of EcoFlow generators. After comparing the specifications of each generator type, along with their energy storage per dollar spent, the Delta 2 Max was the clear choice. When paired with the Delta 2 Max Extra Batteries, this generator offers unparalleled power, energy storage, and value!

I had been researching portable power systems for some time. My specific use case was for extended off-grid camping, with the ability to charge from solar or AC (when available) I also wanted to be able to use it in a limited home-backup role for powering critical items (refrigerator, freezer, etc) during power outages at home. The Delta 2 Max ticked all the boxes. With the ability to expand up to 6KWH storage with the extra battery packs, it could serve this secondary role very well. Thus far, very please with the purchase, and support from a very active user community. Two thumbs up!

I haven’t had the delta 2 Max for very long so my review won’t be as in-depth as I would normally do. I bought this unit to run my 1000w microwave during nighttime (when my household solar is not active) plus as a battery backup in case of power outages. It runs the microwave with ease and I have no doubt it will run my pellet stove for quite some time if needed. I’ve charged it both off household electricity and solar panels with no issues. My one real complaint is, being this large of a unit, I would think that most people will use it for AC power (I could be wrong). But, the main power button, as well as the screen are on the opposite end from the AC and charging sides. However, if you are charging a phone, hey, you can watch the wattages output, the time it can hold at the power drawn and other info from that same end. It’s a minor quibble, but irritates me. Another irritation (and they all seems to do it), is to have a black package with dark gray writing. I can’t see that with a flashlight and readers. If there were more of a contrast between the colors, I’d have a fighting chance. But again, all 3 of my battery stations, from 3 different makers, are like that. I rated as 4 stars instead of 5 because I haven't had this long and they are sort of expensive. I haven't found any flaws yet.

I have a cabin on a piece of land I own that doesn't have electricity so I have been searching for something to power my CPAP (Resmed AirSense 11) instead of using a car battery with an inverter. I managed to get 8 days of usage out of the unit with the spare battery. I was using the AC power and did have the heated tube on along with the humidifier. Average usage per day was right at 11hrs. I have yet to see how long it can go using DC power and without the heated tube or humidifier, but I would assume it would go much further than 8 days. Hands down beyond pleased with this unit and the spare battery!

I've been researching solar generators for the past few months, almost had decided on an AC300 but wanted something a little easier to pack up in the car/Jeep to bring out camping, etc. EcoFlow released this just in time and at a fairly decent price. The API is cool albeit a little limited. I have a couple support tickets open for some minor bugs, but support has been responsive and the Facebook communities are great! I'm running my wave 2 off of this in my home office and have it almost entirely off-grid. The EcoFlow ecosystem just can't be beat. Once all of the minor bugs are worked out and the app updated I will definitely rate this 5 stars! More pics/data/info here: https://photos.app.goo.gl/VvumNz5XjU3cZPq46